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Total Hits: 272 | Today: 0
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Author: David Ewen
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A project came up at work the other day requiring the ability to drag and drop any number of mail messages or mail message attachments from outlook into a WinForm application... Easy I thought, this has to be a common problem I will just jump on CodeProject find an example and with a bit of tweaking be running in no time. Now if your here I am sure you now know how little information there is available on this topic so I thought I would add to the very small pool with a complete example of how t...
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Total Hits: 163 | Today: 0
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Author: Microsoft
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This document illustrates how to save relational data that is loaded into a DataSet class to a file as Extensible Markup Language (XML). This demonstrates the transition between relationally mapped data and XML data....
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Total Hits: 198 | Today: 0
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Author: MSDN
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Use this step-by-step guide to check for and report errors for each row and column in each table in a DataSet. You can use this information in update scenarios where it is important to check for errors in any row or column....
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Total Hits: 507 | Today: 0
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Author: MSDN
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This step-by-step article describes how to do bulk inserts and updates with different Microsoft .NET data providers by using the OpenXML method. Although the sample in this article uses the SQLClient managed provider, you can also use the OLEDB or the ODBC managed provider....
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Total Hits: 1318 | Today: 0
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Author: MSDN
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This step-by-step article describes how to change the XML Schema file to make a typed DataSet return a default value instead of DBNULL....
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Total Hits: 386 | Today: 0
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Author: MSDN
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The GetChunk and the AppendChunk methods are not available in ADO.NET on DataReader columns, DataSet columns, or Command parameters. This article describes how to use Visual C# .NET to read and write binary large object (BLOB) fields....
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Total Hits: 2330 | Today: 0
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Author: MSDN
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ADO.NET provides new flexibility in how you update your data source. This article describes how you can update a data source that is different from the original data source that you use to create the DataSet object....
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Total Hits: 2113 | Today: 0
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Author: MSDN
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You can use the ReadXml method to read XML schema and data into a DataSet. XML data can be read directly from a file, a Stream object, an XmlWriter object, or a TextWriter object....
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Total Hits: 4874 | Today: 1
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Author: MSDN
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This article shows you how to create and use a typed DataSet in a small Web application. Typed DataSets, which inherit from the DataSet class, create first-class members of a DataSet's DataTables and DataColumns, yielding the many benefits that come with the use of strong typing....
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Total Hits: 2704 | Today: 0
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Author: MSDN
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This article describes how to load hierarchical data into a DataSet by using the Fill method of the DataSet class....
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Total Hits: 877 | Today: 0
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Author: MSDN
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This step-by-step article demonstrates how to perform a distributed transaction by using a .NET provider with the ServicedComponent class. Although this article uses the SqlClient .NET provider against a Microsoft SQL Server server, you can also use the ODBC or OLE DB .NET managed provider....
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Total Hits: 604 | Today: 0
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Author: MSDN
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This article describes how to roll back updates after an error when you use a DataAdapter and a DataSet object....
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Total Hits: 655 | Today: 0
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Author: MSDN
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Use this step-by-step guide to format a string if there is a quotation mark in a member of the connection string....
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Total Hits: 1381 | Today: 0
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Author: MSDN
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This step-by-step article describes how to copy an image stored in a database directly into a PictureBox control on a Windows Form without needing to save the image to a file....
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Total Hits: 1222 | Today: 0
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Author: MSDN
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Use this step-by-step guide to read and write data to and from BLOB (LongVarBinary) columns in a database table....
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Total Hits: 908 | Today: 0
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Author: MSDN
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DataSet objects, a key part of data access in the Microsoft .NET Framework, are in-memory objects that can hold tables, views, and relationships. This article demonstrates how to fill a DataSet object with the results of one or more database queries and how to access that data after it is loaded into the DataSet object....
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Total Hits: 935 | Today: 0
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Author: MSDN
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This article demonstrates how to fill a DataSet object with the result set from an Oracle stored procedure. The DataSet object is central to supporting disconnected, distributed data scenarios with ADO.NET. The DataSet is a memory-resident representation of data that provides a consistent, relational programming model regardless of the data source. The DataSet represents a complete set of data, including related tables, constraints, and relationships among the tables....
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Total Hits: 4378 | Today: 0
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DataSet objects, a key part of data access in the Microsoft .NET Framework, are in-memory objects that can hold tables, views, and relationships. This article demonstrates how to take a DataSet that contains data (which is loaded from a database), how to modify that data, and then how to send it back to the database to update the original source....
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Total Hits: 207 | Today: 0
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Author: Microsoft
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A rubber band, or focus rectangle, is a rectangle that tracks with the mouse pointer while you hold the left mouse button. This technique is used to delimit a selection in response to user mouse-pointer input. In the graphics device interface (GDI), these rectangles are implemented by using raster operations (ROPs). However, the System.Drawing method is based on GDI+ (the successor to GDI). GDI+ does not support ROPs. This article describes another approach to implement focus rectangles in the ....
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Total Hits: 350 | Today: 0
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Author: Xodiak.
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This function takes in a DataSet and file name and writes the DataSet to an Excel worksheet. The code is pretty straightforward. Great thing about this function is that, it's technically an XML file that is saved as an XLS file. So it can be used as either file format. No more leading zero truncation on numbers that look like strings. Example, if you made a tab delimited file and put a field such as "00036" (a field that looks like a number but should be regarded as a string), MS Excel would tru...
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